//定制请求的实例

//导入axios  npm install axios
import axios from 'axios';
import {ElMessage} from 'element-plus';
import {useTokenStore} from "@/stores/token.js";
import router from "@/router/index.js";
//定义一个变量,记录公共的前缀  ,  baseURL
const baseURL = '/api';
const instance = axios.create({baseURL})

//添加响应拦截器
instance.interceptors.response.use(
    result => {
        if (result.data.code === 0) {
            return result.data;
        }
        ElMessage.error(result.msg ? result.msg : "服务异常");
        return Promise.reject(result.data);
    },
    err => {
        //判断响应状态码
        if (err.response.status===401){
            ElMessage.error('请先登录');
            router.push('/login');
        }
        return Promise.reject(err);//异步的状态转化成失败的状态
    }
)
//添加请求拦截器
instance.interceptors.request.use(
    (config) => {
        const tokenStore = useTokenStore();
        if (tokenStore.token) {
            config.headers.Authorization = tokenStore.token;
        }
        return config;
    },
    (err) => {
        return Promise.reject(err);
    }
)

export default instance;
